Question : If X, Y, Z, and W are in proportion. X = 3, Y = 13, and W = 39, determine Z.
Option 1: 5
Option 2: 20
Option 3: 15
Option 4: 9
Answer (1)
25th Jan, 2024
Correct Answer: 9
Solution :
Given: X = 3, Y = 13, and W = 39
We know that, if X, Y, Z, and W are in proportion; then $\frac{X}{Y}=\frac{Z}{W}$
Putting the values, we get:
⇒ $\frac{3}{13}=\frac{Z}{39}$
⇒ $Z=9$
Hence, the correct answer is 9.
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